Description: 100% Brand New Items, Never Used Or Installed Professional Installation is Highly Recommended No Instruction Included Type: Water Pump Pulley Finish: Natural Material: Aluminum Grooves: Double The pulley diameter is 6 9/16". The pulley is 3" tall. The bolt pattern is 2 1/8". The center hole is 5/8". Belt Type: V-Belt High Quality Easy install Simple operation Package Includes: .